Shoe upper



FIG. 1 is a front perspective view of a first shoe upper showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front perspective view of a second shoe upper showing my new design;

FIG. 5 is a rear perspective view thereof; and,

FIG. 6 is a side view thereof.

The uneven broken line showing that is immediately adjacent to the shaded area represents an unclaimed boundary of the design. The even broken line in the shaded area represents stitching. The uneven broken line showing of the remainder of the shoe is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 